Computer display screen with a transitional graphical user interface



FIG. 1 is a front view of a computer display screen with a transitional graphical user interface showing our new design in a first state;

FIG. 2 is a front view thereof showing our new design in a second state; and,

FIG. 3 is a front view thereof showing our new design in a third state.

The outermost broken line showing illustrates portions of the computer display screen. All other broken line showings within the outermost broken line showing of the computer display screen illustrates portions of the graphical user interface. This includes all showings of text and borders shown in broken, dashed, or dotted lines. Together, all the broken line showings are provided for the purpose of illustrating portions of the computer display screen with a transitional graphical user interface and form no part of the claimed design.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-3. The process or period in which one image transitions to another image forms no part of the claimed design. 

CLAIM The ornamental design for a computer display screen with a transitional graphical user interface, as shown and described. 